1.
Which of the following components is not used by both plants and cyanobacteria to carry out photosynthesis?
- carbon dioxide
- chlorophyll
- chloroplasts
- water
2.
Why are chemoautotrophs not considered the same as photoautotrophs if they both extract energy and make sugars?
- Chemoautotrophs use wavelengths of light not available to photoautotrophs.
- Chemoautotrophs extract energy from inorganic chemical compounds.
- Photoautotrophs prefer the blue side of the visible light spectrum.
- Photoautotrophs make glucose, while chemoautotrophs make galactose.
3.
In which compartment of the plant cell do the light-independent reactions of photosynthesis take place?
- mesophyll
- outer membrane
- stroma
- thylakoid
4.
What is a part of grana?
- the Calvin cycle
- the inner membrane
- stroma
- thylakoids
5.
What are two major products of photosynthesis?
- chlorophyll and oxygen
- oxygen and carbon dioxide
- sugars/carbohydrates and oxygen
- sugars/carbohydrates and carbon dioxide
6.
What is the primary energy source for cells?
- glucose
- starch
- sucrose
- triglycerides
7.
Which portion of the electromagnetic radiation originating from the sun is harmful to living tissues?
- blue
- green
- infrared
- ultraviolet
8.
The amount of energy in a wave can be measured using what trait?
- color intensity
- distance from trough to crest
- the amount of sugar produced
- wavelength
9.
What portion of the electromagnetic radiation emitted by the sun has the least energy?
- gamma
- infrared
- radio
- X-rays
10.
What is the function of carotenoids in photosynthesis?
- They supplement chlorophyll absorption.
- They are visible in the fall during leaf color changes.
- They absorb excess energy and dissipate it as heat.
- They limit chlorophyll absorption.
11.
Which of the following structures is not a component of a photosystem?
- antenna molecule
- ATP synthase
- primary electron acceptor
- reaction center
12.
Which complex is not involved in producing the electromotive force of ATP synthesis?
- ATP synthase
- cytochrome complex
- Photosystem I
- Photosystem II
13.
What can be calculated from a wavelength measurement of light?
- a specific portion of the visible spectrum
- color intensity
- the amount of energy of a wave of light
- the distance from trough to crest of the wave
14.
Which molecule must enter the Calvin cycle continually for the light-independent reactions to take place?
- CO2
- RuBisCO
- RuBP
- 3-PGA
15.
Which order of molecular conversions is correct for the Calvin cycle?
16.
Which statement correctly describes carbon fixation?
- the conversion of into an organic compound
- the use of RuBisCO to form 3-PGA
- the production of carbohydrate molecules from G3P
- the use of ATP and NADPH to reduce
17.
Which substance catalyzes carbon fixation?
- 3-PGA
- NADPH
- RuBisCO
- RuBP
18.
Which pathway is used by both plants and animals?
- carbon fixation
- cellular respiration
- photosystem II
- photosynthesis
19.
Which of the following organisms is a heterotroph?
- Cyanobacterium
- intestinal bacteria
- kelp
- pond algae
20.
What is the role of ribulose-1,5-bisphosphate, abreviated RuBisCO, in photosynthesis?
- It catalyzes the reaction between and ribulose bisphosphate (RuBP).
- It catalyzes the reaction that produces glyceraldehyde3-phosphate (G3P).
- It catalyzes the reaction that regenerates RuBP.
- It catalyzes the reaction utilizing ATP and NADPH.
21.
What is the product of the Calvin cycle?
- Glucose
- Glyceraldehyde-3-Phosphate
- Phosphoglycerate (PGA)
- sucrose